Popularity Country/ Region Term Full Form | Definition | Meaning Main Category Subcategory
Worldwide A Ampere Academic & Science » Units
Worldwide a atto Academic & Science » Units
Worldwide A symbol for Argon, until 1957 Academic & Science » Chemistry
Worldwide A Adenine Medical » Biochemistry
Worldwide A Blood Type A Medical » Anatomy & Physiology
Worldwide A Address Computing » Internet
Worldwide A Auto start-stop Technology » Automotive
India A Adult News & Entertainment » Movies & Film
Worldwide A Mass Number Academic & Science » Chemistry
Worldwide A Angstrom Academic & Science » Units
Worldwide A Vitamin A Medical » Biochemistry
Worldwide A Type A (Battery Size) Academic & Science » Electronics
United States A Agilent Technologies Business » NYSE Symbols
Worldwide A Helmholtz Energy Academic & Science » Physics
Worldwide A/D Analog-to-Digital Academic & Science » Electronics
Worldwide A2A Application-to-Application Computing » Programming & Development
Worldwide A2A Ask to Answer Computing » Internet
Worldwide A2A Account to Account Business » Banking
United Kingdom A2A Access to Archives Computing » Websites
United States A2A Athens to Atlanta Sports & Games » Outdoor & Adventure
Worldwide A2DP Advanced Audio Distribution Profile Technology » Communication
Worldwide A9 a standard paper size, defined by ISO 216, with dimensions: 37 x 52 mm Technology » Imaging & Printing
Worldwide A9 numeronym to represent Algorithms (A+ 9 other letters) Business » Companies & Corporations
Worldwide AAA Authentication, Authorization and Accounting Computing » Protocols
United States AAA American Automobile Association Associations & Organizations » Regional Organizations